Photography is basically just about its creativity. Here's what you love about yourself. Yet some rules should be known. Because the rules know that you can break the rules. Understand why any rule is useful. Rules for the convenience of the photographer.
Ask your subject or whose pictures to be as easy and natural as possible. Tell him to smile, play or move naturally. Tell him I'm taking some test shots to test light. He would normally pause. Then you will take pictures from different angles.